Add image item merge partials

Closes #199 

### Search result
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![merged-image-result](https://cloud.githubusercontent.com/assets/96776/3163134/67b5dc76-eb3c-11e3-9fe1-45d770bb2c1b.png)

### Record view
---
![merged-image-record](https://cloud.githubusercontent.com/assets/96776/3163137/70ab569e-eb3c-11e3-9db7-3528aa838bb9.png)